Neck pillow



FIG. 1 is a front elevational view of a neck pillow, illustrated in an unfastened configuration with the pillow in a deflated configuration.

FIG. 2 is a top plan view of FIG. 1;

FIG. 3 is a left-side elevational view of FIG. 1;

FIG. 4 is a rear elevational view of FIG. 1;

FIG. 5 is a bottom plan view of FIG. 1; and,

FIG. 6 is a right-side elevational view of FIG. 1.

The broken lines depict environmental matter that forms no part of the claimed design. 

I claim the ornamental design for a neck pillow, as shown and described. 